This is the famous "doubling pennies" problem. Students will study exponential growth. The activity is designed for students to work independently, or in groups with guidance from the teacher.More: lessons, discussions, ratings, reviews,...

The primary goal of this lesson is to understand that the costs associated with buying on credit and that making only minimum payments are problematic to long-term financial health. The secondary goal...More: lessons, discussions, ratings, reviews,...

A collection of illustrated concepts including problems for students to work out, and standalone word problems. Includes automated feedback. Pre- and post-tests, answer sheets, additional help, tools,...More: lessons, discussions, ratings, reviews,...

The user reads about the definition of an equation, the use of variables, and how to write an equation from a sentence. Examples are given as well as an online quiz to practice the skill of matching a...More: lessons, discussions, ratings, reviews,...

The 3-D animated video helps students understand the wordings in the following distance, rate, and time word problem: Two space jets named Dragon and Eagle start from Mars and fly in opposite dire...More: lessons, discussions, ratings, reviews,...

This material is based upon work supported by the
National Science Foundation under Grant DUE-0226284.
Any opinions, findings, and conclusions or recommendations
expressed in this material are those of the author(s)
and do not necessarily reflect the views of the
National Science Foundation.